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Nginx can be configured to bypass proxy cache when a special header is in the request. If the response is cacheable, it will replace the cache for that request. Proxy caching of media files is desirable when using object storage as a way of minimizing bandwidth costs, but has the drawback of leaving deleted media files for a configured amount of cache time. A cache buster can make those media files immediately unavailable. This especially makes sense when suspending and unsuspending an account.
78 lines
2.3 KiB
Ruby
78 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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class UnsuspendAccountService < BaseService
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def call(account)
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@account = account
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unsuspend!
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refresh_remote_account!
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return if @account.nil?
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merge_into_home_timelines!
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merge_into_list_timelines!
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publish_media_attachments!
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end
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private
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def unsuspend!
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@account.unsuspend! if @account.suspended?
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end
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def refresh_remote_account!
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return if @account.local?
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# While we had the remote account suspended, it could be that
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# it got suspended on its origin, too. So, we need to refresh
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# it straight away so it gets marked as remotely suspended in
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# that case.
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@account.update!(last_webfingered_at: nil)
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@account = ResolveAccountService.new.call(@account)
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# Worth noting that it is possible that the remote has not only
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# been suspended, but deleted permanently, in which case
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# @account would now be nil.
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end
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def merge_into_home_timelines!
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@account.followers_for_local_distribution.find_each do |follower|
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FeedManager.instance.merge_into_home(@account, follower)
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end
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end
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def merge_into_list_timelines!
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@account.lists_for_local_distribution.find_each do |list|
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FeedManager.instance.merge_into_list(@account, list)
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end
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end
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def publish_media_attachments!
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attachment_names = MediaAttachment.attachment_definitions.keys
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@account.media_attachments.find_each do |media_attachment|
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attachment_names.each do |attachment_name|
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attachment = media_attachment.public_send(attachment_name)
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styles = [:original] | attachment.styles.keys
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styles.each do |style|
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case Paperclip::Attachment.default_options[:storage]
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when :s3
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attachment.s3_object(style).acl.put(acl: Paperclip::Attachment.default_options[:s3_permissions])
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when :fog
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# Not supported
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when :filesystem
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begin
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FileUtils.chmod(0o666 & ~File.umask, attachment.path(style)) unless attachment.path(style).nil?
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rescue Errno::ENOENT
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Rails.logger.warn "Tried to change permission on non-existent file #{attachment.path(style)}"
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end
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end
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CacheBusterWorker.perform_async(attachment.path(style)) if Rails.configuration.x.cache_buster_enabled
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end
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end
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end
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end
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end
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